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US 7,023,126 B2Granted
Surface structures for halo reduction in electron bombarded devices
AssigneeITT Manufacturing Enterprises, Inc.
InventorArlynn Walter Smith
Life of this patent
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Abstract
An electron sensing device includes a cathode for providing a source of electrons, and an anode disposed opposite to the cathode for receiving electrons emitted from the cathode. The anode includes a textured surface for reducing halo in the output signal of the electron sensing device. The textured surface may include either pits or inverted pyramids.
Claims20
An electron sensing device comprising
- a cathode for providing a source of electrons, and
- an anode disposed opposite to the cathode for receiving electrons emitted from the cathode,
- wherein the anode includes a textured surface for reducing halo in the output signal of the electron sensing device.
An electron sensing device comprising
- a cathode for providing a source of electrons, and
- an anode disposed opposite to the cathode for receiving electrons emitted from the cathode,
- wherein the anode includes a top surface, and
- the top surface includes a plurality of openings, each defined by a base of an inverted pyramid, for reducing halo in the output signal of the electron sensing device.
1 more element
An electron sensing device comprising
- a cathode for providing a source of electrons, and
- an anode disposed opposite to the cathode for receiving electrons emitted from the cathode,
- wherein the anode includes a textured surface for reducing halo in the output signal of the electron sensing device, and
- the textured surface includes one of a plurality of pits and a plurality of inverted pyramids.
1 more element
Dependencies are inferred from the claim text.